my uncle's meme stash on X: Jokes on you school / X

I'm not a native English speaker, can somebody explain to me this joke, please? :) : r/ENGLISH

my uncle's meme stash on X: I hate online school. / X

my uncle's meme stash on X: School is important / X

50 Times People Found Things They Shouldn't Have While Clearing Dead People's Things

my uncle's meme stash on X: I NEED THAT / X

my uncle's meme stash (@myunclesmemes) / X

my uncle's meme stash on X: I hate my teacher / X

Good laugh at this one : r/insanepeoplefacebook

my uncle's meme stash on X: School Zone M-F / X

Literature on Pokemon-Domain - DeviantArt

Twelve things about Squirrels that will blow your mind